Wrench



(No Model.)

V. J. VAN HORN.

WRENOH}.

No. 370,507 Patented Sept. 27,1881

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UNITED STATES PATENT OFFICE.

VANDIVER J. VAN HORN, OF SHANNON, KANSAS.

WRENCH.

SPECIFICATION forming part of Letters Patent No. 370,507, datedSeptember 2'7, 1887.

Application filed Fehruaryilfi, 1887. Serial No. 228,827. (No model.)

To all whom/it may concern.-

Be it known that LVANDIVER J. VAN HORN, a citizen of the United States,residing at Shannon, in the county of Atchison and State of Kansas, haveinvented certain new and useful Improvements in Monkey-XVrenches; and Ido declare the following to be a full, clear, and exact description ofthe invention, such as will enable others skilled in the art to which itappertains to make and use the same, reference being had to theaccompanying drawings, and to the letters and figures of referencemarked thereon, which form a part of this specification.

The special object of the invention is to improve those wrenches whichhave a sliding jaw, and are gcnerallytermed monkey-wrenches,

so that they will never require to be lifted from a nut where only apart-revolution can be made, but may be turned back like a carrying-pawlon a ratchet. This saves time, labor, and trouble over such wrenches asare described in Patents Nos. 36,389, 168,360, and 274,545.

Figure l of the drawings is a side elevation showing the wrench appliedto a nut; Fig. 2, asimilar view ol'the fixed jaw and screw-shank, andFig. 3 a longitudinal section of the screwsleeve.

In the drawings, A represents the wrench as an entirety; B, its fixedjaw provided with an end-threaded shank, b,- O, a tubular jaw sliding onthe shank b and provided with a spring-lever, O; D, a sleeve whichscrews on the end thread of shank b, and E a spiral spring arranged onshank 1) between the movable jaw O and the sleeve D. The latter has endcollars, d d, behind which, respectively, are held the lever-shoulder cand end 0.

The operation is as follows: Turn the sleeve,

as shown in Fig. 1 of the drawings, to the right on the screw of shank band against the spring E until the sliding jaw Ois closed firmly uponthe nut F. The latter, as shown on Fig. 1 of the drawings, is close tothe perpendicular side of an object, G, so that in order to give thegreatest are movement to the wrench it is adjusted on the nut at rightangles to the object G. I then grasp the lever and sleeve tightly, so asto bring the free end of lever against the collar (1 and turn the wrenchin the quadrant of a circle. Now, instead of lifting the wrench off andreadjusting it on the nut, I let up the end of lever, so that it willrise above the collar (1 and carry the wrench back to the position atright angles to the object G, as is done with the carrier-pawl on aratchet. The movable jaw being no longer held, except byspring-pressure, readily yields as it is turned. In practice the wrenchworks easily.

WVhatI claim as new, and desire to protect by Letters Patent, is-

A monkey-wrench provided with an end threaded shank on its fixed jaw,an. end-collared screw-sleeve, a sliding jaw, a springlever arranged onsaid jaw, having a stud that fits behind the collar (Z, and providedwith a free end that fits in front of collar (1, and a spiral springarranged on the shank of the fixed jaw between the movable jaw and thesleeve, all substantially as shown and described.

In testimony whereof I affix my signature in presence of two witnesses.

VANDIVER J. VAN norm.

Witnesses:

V. E. MINSKER,

.I. W. RILEY.

